Re: [HACKERS] Discussion on missing optimizations

Adam Brusselback <adambrusselback@gmail.com> writes:
> On another note:
>> turning ORs into UNIONs

> This is another one which would be incredibly useful for me.  I've had
> to do this manually for performance reasons far too often.

Well, maybe you could sign up to help review the open patch for that then:
https://commitfest.postgresql.org/15/1001/

The reason that's not in v10 is we haven't been able to convince
ourselves whether it's 100% correct.
        regards, tom lane


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